These are the standard Teacher’s Door Sign. They fit in standard 2″ x 10″ slide in wall mount or desk mount holders. The signs are engraved using a rotary engraver and are made from high quality indoor/outdoor plastic. Help identify classrooms so students, faculty and staff know where teachers are located in the building. This sign includes 2 lines of engraving. The first line will be engraved in a slightly larger font than the second line.